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You're spot on—the four holes are actually called progression ports, and they help the carb transition smoothly from idle to the high-speed jet. The early models had four instead of three, mainly due to emissions regs, but the four-hole versions actually give better throttle response. It’s not...

I love this Page. I ain't going anywhere, You would be surprised how often its referenced by people on foozebook

Well done

Yeah, I’ve fitted them before. I’ve also tried blending it out to match the gasket—it’s easy to do. But honestly, I didn’t see any noticeable gains on the tach or in performance. If it gives you peace of mind, go for it, but the actual performance improvement is minimal at best.

The r&d makes more power. The protec pipe is a nice smooth delivery and will not beat up on you like r&d.

About 150. If you run a thinner base gasket and you should to close up the squish then it will come up some more. However the stock 1100 is only about 105-110 psi

Yup sure will

Brand new 1100 Pro-Tec triple head with 37cc domes. What you see is what you get—no O-rings, but they’re easy to source. $275 shipped.

https://www.waxracingproducts.com/products/yamaha-billet-steering-nozzle

Upgrade Your SuperJet Steering with the Wax Racing Billet Nozzle If you own a 1990–2007 Yamaha SuperJet, chances are your stock plastic steering nozzle is getting old and brittle. A failure could leave you stranded without steering—don’t let that happen! Introducing the Wax Racing Billet...

I tuned a 997 engine for a mate a while back. I don’t really tune other people’s skis anymore—I’m too busy, and to be honest, I just can’t be bothered. We installed a Zeeltronic ignition but kept the stock carbs, and surprisingly, it ran really well. I told him I could make it go, but I...

I hadnt seen this as the op has been on my block list for pretty much ever. Krash is not in Australia and as far as i know they are made in Thailand.

This is one of if not the best pipe made for the yamaha

Here’s an engine I’m building for the upcoming race. Running 196° exhaust timing, 70% bore width exhaust, and 130° transfers, aiming for a smooth powerband that pulls strong without being too aggressive. Expecting it to rev in the 7400-7600 range, which should be just right. It’s more of a...

Updated Porting Template – Now with Transfer Heights! We've updated the porting template to now include transfer heights when you print it out, making the process even easier. Will this instantly turn your engine into a full race ski? No, that’s not the goal of this template. But if you're...

you have it set to 1 pulse per rev, set it to 2. Your welcome

I would have to go back through the article i wrote to say how high but 195 would seem about right. I cant remember how high it revved but it didn't mind it that's for sure. I have a friend who is running the stock 760 exhaust on his free ride ski and it works really well

The 760 exhaust is actually quite effective. Riva faced significant challenges in developing a better exhaust for the 760, and while they did produce an alternative, it doesn’t offer much improvement over the stock system. On a separate note, when it comes to triple-cylinder engines, Yamaha’s...

Heck I dont know that one as I never really use a stock pipe. but its hard to know as its not a tuned system. I would guess about 6900 but its only a guess

Awesome. I will get right onto to it soon. im busy building a new race ski for our nationals in march 21. its a 760 ported cases and cylinder. Also using the template as well